Conversation view will automatically group together messages as they’re replied-to, making it easier to follow along at a glance. If you’ve got a whole group of emails that you’d like to keep together while still having them easy to access, you’ll be able to pin the entire folder to your start screen. Support for server-side search will make it easier to recall older emails without needing to keep your entire email history on your phone.

While some of the IT stuff is a bit technical for most users, like the addition of an Information Rights Management system that can help keep sensitive corporate communications secure, other features will also appeal to home users, like native support for hidden WiFi networks. If you’re careful about your smartphone’s security, you should like the extended password support, handling alpha-numeric combinations.

Microsoft is expected to give its first big Mango demonstration at the May 24 event it has scheduled for next week, but with any luck we’ll learn of even more Mango features in advance of Microsoft’s announcements.